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Mathematics ECAT Pre Engineering Online Test MCQs With Answers
Question # 1
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0
1
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Question # 2
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Question # 3
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none of these
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Question # 4
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Question # 5
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A finite non-empty set
Null set
Both a and b
None of these
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Question # 6
Which one is quadrantal angle
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8181710°
2345°
-8181180°
-2344°
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Question # 7
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Question # 8
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x
-2
+ c
not possible
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Question # 9
Associative law of multiplication
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ab - ba
a(bc) = (ab) c
a(b + c) = ab +ac
(a +b)c = ac + bc
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Question # 10
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a cot(ax + b) + c
- a cot(ax + b) + c
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Question # 11
(1,0) is in the solution of the inequality
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3x + 2y > 8
2x - 3y < 4
2x + 3y > 3
x - 2y < -5
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Question # 12
The projections of a line segment on x, y, z axes are 12, 4, 3. The length and the direction cosines of the line segment are
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Question # 13
(a,0) x (c, 0) =
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(0,ac)
(ac, 0)
(0,0)
(a, c)
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Question # 14
A function in which the variable appears as exponent is called:
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An identity function
A logarithmic function
an exponential function
A rational function
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Question # 15
The roots of px2 - (p-q)x-q=0 are
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equal
Irrational
Rational
Imaginary
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Question # 16
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Question # 17
The square root of 2i - 20i is
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+-(5 - 2i)
+-(5 + 2i)
(5 - 2i)
None of these
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Question # 18
If Projvu = Projuv, then
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Uand vare parallel
|u|=|v|
Uandvre perpendicular
One ofuorv
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Question # 19
The end points of the major axis of the ellipse are called its
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Foci
Vertices
Co - vertices
None of these
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Question # 20
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0
1
-1
None of these
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Question # 21
Under multiplication, solution set of is
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Groupoid
Abelian group
Semi group
All of these
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Question # 22
The coefficient of x
18
in (ax
4
-bx)
9
after expansion is
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84a
3
b
6
22a
3
b
6
27a
4
b
5
28a
3
b
6
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Question # 23
A polynomial of arbitrary degree
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f(x) = o
f(x) = x
f(x) = a
f(x) = ax + b,a ≠ 0
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Question # 24
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Question # 25
The order axioms are satisfied by set of
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C
C and R
R
None of these
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Question # 26
A circle is a limiting case of an ellipse whose eccentricity
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Tends to a
Tends to b
Tends to 0
Tends to a + b
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Question # 27
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Question # 28
There are two middle terms in the expansion of (a+x)n if n is
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Even +ve integer
+ve integer
Odd +ve integer
All
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Question # 29
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Question # 30
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Question # 31
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15
9
7
8
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